WATTS®, 0858536, Air Separator, Series: AS, 1-1/4 in Nominal, FNPT Connection, 80 psi Working, Cast Iron, Import

This 1 1/4 IN cast iron air separator is used in commercial and residential, hydronic heating applications to separate air from water in the piping system. It consists of a heavy, cast iron body construction with a 1/2 inch female threaded connection for an expansion tank, and a 1/8 inch female threaded connection for a float vent. It provides continuous purging and venting of air in the system when installed with Watts Model ET expansion tank and Model FV4 float-vent. The maximum pressure is 125 psi (8.6 bar).

ASSE Listed|FM Approved|NSF Approved|UL/ULC Listed|USC Certified